openocd: fix simple cases of Yoda condition
[fw/openocd] / src / target / embeddedice.h
index 8631e7b93e29e9670f2ea6fc24e250c0e5213367..f57f141aa281b971055e395a1e69f5083cc1fc00 100644 (file)
@@ -1,7 +1,13 @@
 /***************************************************************************
- *   Copyright (C) 2005, 2006 by Dominic Rath                                    *
+ *   Copyright (C) 2005, 2006 by Dominic Rath                              *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
+ *   Copyright (C) 2007,2008 Ã˜yvind Harboe                                 *
+ *   oyvind.harboe@zylin.com                                               *
+ *                                                                         *
+ *   Copyright (C) 2008 by Spencer Oliver                                  *
+ *   spen@spen-soft.co.uk                                                  *
+ *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
-#ifndef EMBEDDED_ICE_H
-#define EMBEDDED_ICE_H
 
-#include "target.h"
-#include "register.h"
-#include "arm_jtag.h"
+#ifndef OPENOCD_TARGET_EMBEDDEDICE_H
+#define OPENOCD_TARGET_EMBEDDEDICE_H
 
-enum
-{
+#include "arm7_9_common.h"
+
+enum {
        EICE_DBG_CTRL = 0,
        EICE_DBG_STAT = 1,
        EICE_COMMS_CTRL = 2,
@@ -42,21 +44,19 @@ enum
        EICE_W1_DATA_MASK = 13,
        EICE_W1_CONTROL_VALUE = 14,
        EICE_W1_CONTROL_MASK = 15,
-       EICE_ABT_STATUS = 16,
        EICE_VEC_CATCH = 16
 };
 
-enum
-{
+enum {
        EICE_DBG_CONTROL_ICEDIS = 5,
-       EICE_DBG_CONTROL_MONEN = 4,     
+       EICE_DBG_CONTROL_MONEN = 4,
        EICE_DBG_CONTROL_INTDIS = 2,
        EICE_DBG_CONTROL_DBGRQ = 1,
        EICE_DBG_CONTROL_DBGACK = 0,
 };
 
-enum
-{
+enum {
+       EICE_DBG_STATUS_IJBIT = 5,
        EICE_DBG_STATUS_ITBIT = 4,
        EICE_DBG_STATUS_SYSCOMP = 3,
        EICE_DBG_STATUS_IFEN = 2,
@@ -64,37 +64,66 @@ enum
        EICE_DBG_STATUS_DBGACK = 0
 };
 
-enum
-{
+enum {
        EICE_W_CTRL_ENABLE = 0x100,
        EICE_W_CTRL_RANGE = 0x80,
        EICE_W_CTRL_CHAIN = 0x40,
        EICE_W_CTRL_EXTERN = 0x20,
-       EICE_W_CTRL_nTRANS = 0x10,
-       EICE_W_CTRL_nOPC = 0x8,
+       EICE_W_CTRL_NTRANS = 0x10,
+       EICE_W_CTRL_NOPC = 0x8,
        EICE_W_CTRL_MAS = 0x6,
        EICE_W_CTRL_ITBIT = 0x2,
-       EICE_W_CTRL_nRW = 0x1
+       EICE_W_CTRL_NRW = 0x1
 };
 
-enum
-{
+enum {
        EICE_COMM_CTRL_WBIT = 1,
        EICE_COMM_CTRL_RBIT = 0
 };
 
-typedef struct embeddedice_reg_s
-{
+struct embeddedice_reg {
        int addr;
-       arm_jtag_t *jtag_info;
-} embeddedice_reg_t;
-
-extern reg_cache_t* embeddedice_build_reg_cache(target_t *target, arm_jtag_t *jtag_info, int extra_reg);
-extern int embeddedice_read_reg(reg_t *reg);
-extern int embeddedice_write_reg(reg_t *reg, u32 value);
-extern int embeddedice_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask);
-extern int embeddedice_store_reg(reg_t *reg);
-extern int embeddedice_set_reg(reg_t *reg, u32 value);
-extern int embeddedice_set_reg_w_exec(reg_t *reg, u32 value);
-
-#endif /* EMBEDDED_ICE_H */
+       struct arm_jtag *jtag_info;
+};
+
+struct reg_cache *embeddedice_build_reg_cache(struct target *target,
+               struct arm7_9_common *arm7_9);
+void embeddedice_free_reg_cache(struct reg_cache *reg_cache);
+
+int embeddedice_setup(struct target *target);
+
+int embeddedice_read_reg(struct reg *reg);
+int embeddedice_read_reg_w_check(struct reg *reg,
+               uint8_t *check_value, uint8_t *check_mask);
+
+void embeddedice_write_reg(struct reg *reg, uint32_t value);
+void embeddedice_store_reg(struct reg *reg);
+
+void embeddedice_set_reg(struct reg *reg, uint32_t value);
+
+int embeddedice_receive(struct arm_jtag *jtag_info, uint32_t *data, uint32_t size);
+int embeddedice_send(struct arm_jtag *jtag_info, uint32_t *data, uint32_t size);
+
+int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeout);
+
+/* If many embeddedice_write_reg() follow each other, then the >1 invocations can be
+ * this faster version of embeddedice_write_reg
+ */
+static inline void embeddedice_write_reg_inner(struct jtag_tap *tap, int reg_addr, uint32_t value)
+{
+       uint8_t out_reg_addr = (1 << 5) | reg_addr;
+       uint8_t out_value[4];
+       buf_set_u32(out_value, 0, 32, value);
+
+       struct scan_field fields[2] = {
+                       { .num_bits = 32, .out_value = out_value },
+                       { .num_bits = 6, .out_value = &out_reg_addr },
+       };
+
+       jtag_add_dr_scan(tap, 2, fields, TAP_IDLE);
+}
+
+void embeddedice_write_dcc(struct jtag_tap *tap, int reg_addr, const uint8_t *buffer,
+               int little, int count);
+
+#endif /* OPENOCD_TARGET_EMBEDDEDICE_H */